More than 2,500 town hall staff were paid over £100,000 last year, research has shown.
Despite the number earning in six figures falling by 11% between 2011 and 2012, 103 councils were still employing more staff on that level than before, the TaxPayers' Alliance said.
It added that one executive was handed almost £600,000.
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The author, who explored feminist themes, was best known for her Earthsea books.
Jon Lansman denied reports that the group's supporters had drawn up a deselection hit-list of 50 centrists.
The film tells the story of a deaf girl who lives in a world of silence until a social worker teaches her the gift of communication.